84047476 has 6 divisors (see below), whose sum is σ = 147083090. Its totient is φ = 42023736.

The previous prime is 84047471. The next prime is 84047477. The reversal of 84047476 is 67474048.

It can be written as a sum of positive squares in only one way, i.e., 52911076 + 31136400 = 7274^2 + 5580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84047471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505931 + ... + 10505938.

Almost surely, 2^84047476 is an apocalyptic number.

It is an amenable number.

84047476 is a deficient number, since it is larger than the sum of its proper divisors (63035614).

84047476 is a wasteful number, since it uses less digits than its factorization.

84047476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011873 (or 21011871 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 84047476 is about 9167.7410521895. The cubic root of 84047476 is about 438.0344071996.

The spelling of 84047476 in words is "eighty-four million, forty-seven thousand, four hundred seventy-six".